/*媒体查询，小屏幕（平板，大于等于768px）*/

@media (min-width: 768px) {

    #leftbar {

        width: 240px;

        margin: 55px 0px 0px 0px;

        position: absolute;

        /*z-index:1;*/

        height: 500px;

        /*background:#B9DEF0;*/

    }

    .page-right {

        background: #ddd;

        margin: -5px 0px 0px 245px;

    }

    .doctitle{
        text-align: center;
        font-weight: bolder;

    }

}
